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Kriging with imprecise (fuzzy) variograms. II: Application (1990)

Bardossy, A. ; Bogardi, I. ; Kelly, W. E.

Springer

Mathematical geology 22 (1990), S. 81-94

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ISSN: 1573-8868

Keywords: application ; permeability prediction ; soil liner ; kriging ; variogram ; fuzzy set theory

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Mathematics

Notes: Abstract The geostatistical analysis of soil liner permeability is based on 20 measurements and imprecise prior information on nugget effect, sill, and range of the unknown variogram. Using this information, membership functions for variogram parameters are assessed and the fuzzy variogram is constructed. Both kriging estimates and estimation variances are calculated as fuzzy numbers from the fuzzy variogram and data points. Contour maps are presented, indicating values of the kriged permeability and the estimation variance corresponding to selected membership values called levels.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00890298

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